Now Ss have to combine each pair of sentences in 3a into a complete sentence using the word/ phrase in brackets.. To save time assign sentences 2 to 5 to different Ss and have Ss word on[r]
Trang 1UNIT 7: POLLUTION.
PERIOD 59: lesson 2: A CLOSERLOOK 1
I/ Objectives:
1 Educational aim: - Practice the vocabulary and pronunciation of the unit
2 Knowledge:
- Vocabulary: words related to the topic
- Grammatical structures:
- Pronunciation: intonation in exclamatory sentences
3 Skills: Speaking, Listening and writing
II/ Teaching aids:
- T: lesson plan, visual pictures
- Ss: vocabularies related to hobbies
III/ Procedures :
IV/ Procedures :
focus
Models
A Warm –
up( 5’):
B.Vocabulary.
(25’)
Ask Ss to call out the types of pollution they learnt in the previous lesson Tell them that in this lesson they are going to learn different forms
of some words as well as some words/ phrases to talk about the causes and effects of pollution
1 Complete the table with appropriate verbs, nouns, and adjectives.
Have Ss look at the table in the book
Make sure that they understand what
to do Ss complete the exercise individually and then compare their answers with a partner Call on some
Ss to write their answers on the board
Check their answers
Key: 1 Poison 2 Contaminate
3 Pollution4 Polluted 5
Death 6 Damaged
2 Complete the sentences with the words from the table in 1 You do not need to use all the words The first letter of each word has been provided.
Have Ss read each sentence silently to have a general understanding and decide which word form should be put in each blank For example, the word to be filled in the blank in
Poison Contaminate Pollution Polluted Death Damaged
Poisonous Pollutants
+whole class, team work
Individual
Whole class
Individual Pair work
Trang 2sentence 1 is an adjective Point out
that the provided letter is a clue to
help them find the word Ss do the
exercise and then compare their
answers with a partner Call on one or
two Ss to give out the answers before
confirming the correct ones
Key: 1 Poisonous 2 Pollutants
3 Dead 4 Contaminated
5 Damage 6 Pollute
Have Ss look at the language box
Tell Ss that the words and phrases in
the box express cause and effect
relationships Ss have learn so,
because of Quickly go through the
rest of words/ phrases as follows:
- Because/ since and due to/ because
of are used to talk about the causes of
something
Because and since are synonyms and
they come before a clause
Due to and because of are synonyms
and they come before a noun phrase
Have Ss read the example sentences
and underline the clause or noun
phrase
- Other words and phrases in the box
express the effects of something
So comes before a clause
To cause, to lead to and to result in
are synonyms and come before a
noun phrase.To make Sb/ sth do sth is
another way to express the effects
After somebody/ something is an
infinitive verb without to
Have Ss read the example sentences
and underline the clause, noun phrase,
or infinitive
For more able Ss, T may have Ss read
the sentences and explain the rules
themselves by using the words and
phrases
3a Decide which sentence in each
pair of sentences is a cause and
which is an effect Write C (for
cause) or F (for effect) next to each
sentence Note that the words in
Dead Contaminated Damage Pollute
The words and phrases in the box express cause and effect
relationships
- so, because
of
- Because/
since and due to/ because of
are used to talk
something
Because and
synonyms and they come
clause
Due to and because of are synonyms and they come before a noun phrase
+whole class, team work
Individual
Whole class
Whole class
Individual Pair work
Trang 3brackets relate to Activity 3b.
Ask Ss to read the each pair of
sentences and decide which sentence
is an effect Ss compare their answers
with a partner before giving the
answers to the teacher Confirm the
correct answers
b Combine the sentences in each
pair into a new sentence that shows
a cause/ effect relationship Use the
cause or effect signal word or
phrase given in brackets You will
have to add, delete, or change
words in most sentences.
Ask Ss to read the example Ask them
what changes they can see in the
sentence T may have Ss look at the
language box again to remind them of
the structures Now Ss have to
combine each pair of sentences in 3a
into a complete sentence using the
word/ phrase in brackets To save
time assign sentences 2 to 5 to
different Ss and have Ss word only
these Call on some Ss to write their
sentences on the board and correct
them carefully T can ask Ss to write
all the sentences at homework
2 Oil spills from ships in oceans and
rivers lead to the death of many
aquatic animals and plants
3.Households dump waste into the
river so it is polluted
4 Since the parents were exposed to
radiation their children have birth
defects
5 We can’t see the stars at night
due to the light pollution
4 Work in groups Look at the
pairs of pictures Give as many
sentences as possible to show cause/
effect relationships.
Have Ss look at the pictures in 1 Ask
Ss which picture shows the cause and
which shows the effect Then ask
them to read the example sentences
and pay attention to the cause/ effect
+whole class, team work
Individual
Individual Pair work
Whole class
Whole class
Individual Pair work
Trang 4C
Pronunciation
.
(10’)
words or phrases Ss work in pairs to write sentences showing cause/ effect relationships For a more able class, T may have Ss do the whole exercise
With other classes, just ask Ss to work with the pair of pictures in 2
Ask ss to identify the picture showing the cause and the one showing the effect Then together make up sentences, using the cause/ effect words or phrases The rest can be done as homework
This activity can also ba carried out
as a game Divide the class into 12 groups Two groups work with the same pair of pictures in 2, 3 or 4 In three minutes, groups of Ss write down as many sentences based on the given picture pair as possible on a sheet of paper When time is up, the group with the most sentences is the winner They stick their sheet of paper on the board and read the sentences aloud Other groups and T givens comments Other groups can add any sentences they have T may Ss’ work home to mark it
Suggested answers:
2 The soil is polluted, so plants can’t grow
3 We won’t have fresh water to drink because of water pollution
4 We plant trees, so we can have frest air
Pronunciation Stress in words ending in – ic and – al.
Ask Ss to look at the rules in the box and the examples Go through the rules with them For a more able class, have Ss give some more examples
5 Listen and mark the stress in each word, then repeat it.
Play the recording for Ss to tress the words Ask some to say where the tress in each word is Confirm the
1 ar’tistic
6 ’physical
2 ath’letic
7 he’roic
3 his’toric
8 po’etic
4 his’torical
9 bo’tanic
5 ’logical
10 Bo’tanical
1 scien’tific
2 ’national
3 ’madical
4 ’chemical
5 dra’matic
+whole class, team work
Individual
Whole class
Individual Pair work
+whole class, team work
Trang 5D Home
assignment(3’)
correct answers Play the recording again for Ss to repeat the words Call
on some Sts to pronoun
6 Underline the words ending in –
ic and circle the words ending in –
al in the following sentences Mark the stress in each word Listen and check your answers, then repeat the sentences.
Have Ss do the activity individually
Play the recording for Ss to check their answers Then elicit the correct stress patterns from Ss Play the recording again for Ss to repeat the sentences Ask some Ss ro read out the sentences
Ask students to complete all the exercises
whole class
*Feedback:…
………
………